Part Type: Rear Access Structure Gasket
Brand: NEXGEN – Premium Replacement
Part Numbers: 7N4320, 7N-4320
Product Description
The 7N4320 gasket by NEXGEN is a high-quality premium replacement designed for selected CAT machines and engines. It is used in structural connections and engine housings, providing a reliable seal between mating surfaces while preventing oil leaks and the ingress of contaminants.
Manufactured from durable sealing materials resistant to high temperatures, oil, and demanding operating conditions, it ensures reliable performance and long service life. Precision engineering guarantees accurate fitment and effective sealing of the connection.
Product Features
Applications
CAT Off-Highway Trucks:
776C, 776D, 777, 777B, 777C, 777D, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C, 793D, 797, 797B
CAT Loaders:
992G, 994F, 994K, 995
CAT Track-Type Tractors:
D11N, D11R
Function of the Gasket
The 7N4320 gasket provides a reliable seal between cooperating structural components of the machine or engine. It prevents leaks of operating fluids and protects internal components from dust, moisture, and other contaminants.
A worn or damaged gasket may result in loss of sealing, oil leaks, contamination of components, and an increased risk of damage to cooperating parts.
Data sheet
Specific References
Manufacturer
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The 7N4320 gasket by NEXGEN is a high-quality premium replacement designed for selected CAT machines and engines. It is used in structural connections and engine housings, providing a reliable seal between mating surfaces while preventing oil leaks and the ingress of contaminants.

















